/*
* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
*   this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
*   this list of conditions and the following disclaimer in the documentation
*   and/or other materials provided with the distribution.
* - Neither the name of Nokia Corporation nor the names of its contributors
*   may be used to endorse or promote products derived from this software
*   without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* 
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: 
*
*/

using System;
using System.Collections;

namespace HeapLib.Statistics.Distribution
{
	public class HeapCellSizeDistribution : IEnumerable
	{
		#region Constructors & destructor
		public HeapCellSizeDistribution()
		{
		}
		#endregion

		#region API
		public void Register( uint aCellLength )
		{
			if	( !iDistributionCounts.ContainsKey( aCellLength ) )
			{
				iDistributionCounts.Add( aCellLength, 1u );
			}
			else
			{
                object len = iDistributionCounts[ aCellLength ];
				uint val = (uint) len;
				iDistributionCounts[ aCellLength ] = val + 1;
			}
		}
		#endregion

		#region Properties
        public uint Total
        {
            get
            {
                uint ret = 0;
                //
                foreach ( DictionaryEntry entry in this )
                {
                    uint size = (uint) entry.Key;
                    uint count = (uint) entry.Value;
                    //
                    ret += ( size * count );
                }
                //
                return ret;
            }
        }

        public int Count
        {
            get { return iDistributionCounts.Count; }
        }

        public uint this[ int aIndex ]
        {
            get
            {
                uint ret = (uint) iDistributionCounts.GetByIndex( aIndex );
                return ret;
            }
        }
		#endregion

        #region IEnumerable Members
        public IEnumerator GetEnumerator()
        {
            return iDistributionCounts.GetEnumerator();
        }
        #endregion

		#region Data members
		private SortedList iDistributionCounts = new SortedList();
		#endregion
    }
}